TypeDB
TypeDB is an open-source, distributed, strongly-typed database with a logical type system. TypeQL is its query language. TypeDB models domains based on logical and object-oriented programming principl
AllegroGraph
AllegroGraph is a closed source triplestore which is designed to store RDF triples, a standard format for Linked Data.It also operates as a document store designed for storing, retrieving and managing
ArangoDB
ArangoDB is a free and open-source native graph database system developed by ArangoDB Inc. ArangoDB is a multi-model database system since it supports three data models (graphs, JSON documents, key/va
FlockDB
FlockDB is an open-source distributed, fault-tolerant graph database for managing wide but shallow network graphs. It was initially used by Twitter to store relationships between users, e.g. following
Oracle Spatial and Graph
Oracle Spatial and Graph, formerly Oracle Spatial, is a free option component of the Oracle Database. The spatial features in Oracle Spatial and Graph aid users in managing geographic and location-dat
Vadalog
The Vadalog system is a Knowledge Graph Management System (KGMS) that offers a language for performing complex logic reasoning tasks over knowledge graphs. At the same time, Vadalog delivers a platfor
Linkurious
Linkurious is a software company that provides graph data visualization and analytics software for various use cases such as financial crime, intelligence, cybersecurity or data governance. Linkurious
JanusGraph
JanusGraph is an open source, distributed graph database under The Linux Foundation. JanusGraph is available under the Apache License 2.0. The project is supported by IBM, Google, Hortonworks and Grak
NitrosBase
NitrosBase is a Russianhigh-performance multi-model database system. The database system supports relational, graph and document database models.
Blazegraph
Blazegraph is an open source triplestore and graph database, developed by Systap, which is used in the Wikidata SPARQL endpoint and by other large customers. It is licensed under the GNU GPL (version
TigerGraph
TigerGraph is a private company headquartered in Redwood City, California. It provides graph database and graph analytics software.
TerminusDB
TerminusDB is an open source knowledge graph and document store. It is used to build versioned data products. It is a native revision control database that is architecturally similar to Git. It is lis
InfiniteGraph
InfiniteGraph is a distributed graph database implemented in Java and C++ and is from a class of NOSQL ("Not Only SQL") database technologies that focus on graph data structures. Developers use Infini
Ontotext GraphDB
Ontotext GraphDB (previously known as BigOWLIM) is a graph database and knowledge discovery tool compliant with RDF and SPARQL and available as a high-availability cluster. Ontotext GraphDB is used in
OrientDB
OrientDB is an open source NoSQL database management system written in Java. It is a Multi-model database, supporting graph, document, key/value, and object models, but the relationships are managed a
Graph database
A graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. A key concept of the system is the graph (or edge or
Sones GraphDB
Sones GraphDB was a graph database developed by the German company sones GmbH, available from 2010 to 2012. Its last version was released in May 2011. sones GmbH, which was based in Erfurt and Leipzig
Neo4j
Neo4j is a graph database management system developed by Neo4j, Inc. Described by its developers as an ACID-compliant transactional database with native graph storage and processing, Neo4j is availabl
Sparksee (graph database)
Sparksee (formerly known as DEX) is a high-performance and scalable graph database management system written in C++. From version 6.0, Sparksee has shifted its focus to embedded systems and mobile, be
Amazon Neptune
Amazon Neptune is a managed graph database product published by Amazon.com. It is used as a web service and is part of Amazon Web Services (AWS). It was announced on November 29, 2017. Amazon Neptune
Mulgara (software)
Mulgara is a triplestore and fork of the original Kowari project. It is open-source, scalable, and transaction-safe. Mulgara instances can be queried via the query language and the SPARQL query langua
DataStax
DataStax, Inc. is a real-time data company based in Santa Clara, California. Its product Astra DB is a cloud database-as-a-service based on Apache Cassandra. DataStax also offers DataStax Enterprise (